home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
The CICA Windows Explosion!
/
The CICA Windows Explosion! - Disc 2.iso
/
programr
/
eckelt01.zip
/
14
/
STACKT.H
< prev
next >
Wrap
C/C++ Source or Header
|
1995-02-23
|
2KB
|
71 lines
// File from page 586 in "Thinking in C++" by Bruce Eckel
//////////////////////////////////////////////////
// From the compressed package ECKELT01.ZIP 2/21/95
// Copyright (c) Bruce Eckel, 1995
// Source code file from the book "Thinking in C++",
// Prentice Hall, 1995, ISBN: 0-13-917709-4
// All rights reserved EXCEPT as allowed by the following
// statements: You may freely use this file for your own
// work, including modifications and distribution in
// executable form only. You may copy and distribute this
// file, as long as it is only distributed in the complete
// (compressed) package with the other files from this
// book and you do not remove this copyright and notice.
// You may not distribute modified versions of the source
// code in this package. This package may be freely placed
// on bulletin boards, internet nodes, shareware disks and
// product vendor disks. You may not use this file in
// printed media without the express permission of the
// author. Bruce Eckel makes no
// representation about the suitability of this software
// for any purpose. It is provided "as is" without express
// or implied warranty of any kind. The entire risk as to
// the quality and performance of the software is with
// you. Should the software prove defective, you assume
// the cost of all necessary servicing, repair, or
// correction.
// If you think you've found an error, please
// email all modified files with loudly commented changes
// to: eckel@aol.com (please use the same
// address for non-code errors found in the book).
//////////////////////////////////////////////////
//: STACKT.H -- Simple stack template
#ifndef STACKT_H_
#define STACKT_H_
template<class T>
class stackt {
enum { ssize = 100 };
T stack[ssize];
int top;
public:
stackt() : top(0) { stack[top] = 0; }
void push(const T& i) {
if(top < ssize) stack[top++] = i;
}
T pop() {
return stack[top > 0 ? --top : top];
}
friend class stacktIter<T>;
};
template<class T>
class stacktIter {
stackt<T>& S;
int index;
public:
stacktIter(stackt<T>& is)
: S(is), index(0) {}
T& operator++() { // Prefix form
if (index < S.top - 1) index++;
return S.stack[index];
}
T& operator++(int) { // Postfix form
int returnIndex = index;
if (index < S.top - 1) index++;
return S.stack[returnIndex];
}
};
#endif // STACKT_H_